softirq.c File Reference

Go to the source code of this file.

Classes
struct	tasklet_head
Defines
#define	NUM_SOFTIRQS   6
#define	MAX_SOFTIRQ_RETRIES   10
Functions
	DECLARE_INITVAR (dde26_softirq)
void	open_softirq (int nr, void(*action)(struct softirq_action *))
static void	raise_softirq_irqoff_cpu (unsigned int nr, unsigned int cpu)
void	raise_softirq_irqoff (unsigned int nr)
void	raise_softirq (unsigned int nr)
void	tasklet_init (struct tasklet_struct *t, void(*func)(unsigned long), unsigned long data)
	Initialize tasklet.
static void	__tasklet_enqueue (struct tasklet_struct *t, struct tasklet_head *listhead)
void	__tasklet_schedule (struct tasklet_struct *t)
void	__tasklet_hi_schedule (struct tasklet_struct *t)
static void	tasklet_action (struct softirq_action *a)
static void	tasklet_hi_action (struct softirq_action *a)
void	__do_softirq (void)
	Run softirq handlers.
void	do_softirq (void)
void	l4dde26_softirq_thread (void *arg)
	Softirq thread function.
void	l4dde26_softirq_init (void)
	Initialize softirq subsystem.
Variables
ddekit_thread_t *	dde_softirq_thread
ddekit_sem_t *	dde_softirq_sem
static struct softirq_action	softirq_vec [32]
struct tasklet_head	tasklet_vec
struct tasklet_head	tasklet_hi_vec

---

Define Documentation

#define MAX_SOFTIRQ_RETRIES   10

Definition at line 176 of file softirq.c.

#define NUM_SOFTIRQS   6

Definition at line 6 of file softirq.c.

---

Function Documentation

void __do_softirq

(

void

)

Run softirq handlers.

Definition at line 180 of file softirq.c.

static void __tasklet_enqueue	(	struct tasklet_struct *	t,
		struct tasklet_head *	listhead
	)			[static]

Definition at line 71 of file softirq.c.

void __tasklet_hi_schedule

(

struct tasklet_struct *

t

)

Definition at line 95 of file softirq.c.

void __tasklet_schedule

(

struct tasklet_struct *

t

)

Definition at line 80 of file softirq.c.

DECLARE_INITVAR

(

dde26_softirq

)

void do_softirq

(

void

)

Definition at line 208 of file softirq.c.

void l4dde26_softirq_init

(

void

)

Initialize softirq subsystem.

Start NUM_SOFTIRQ_THREADS threads executing the l4dde26_softirq_thread function.

Definition at line 247 of file softirq.c.

void l4dde26_softirq_thread

(

void *

arg

)

Softirq thread function.

Once started, a softirq thread waits for tasklets to be scheduled and executes them.

Parameters:

arg

# of this softirq thread so that it grabs the correct lock if multiple softirq threads are running.

Definition at line 226 of file softirq.c.

void open_softirq	(	int	nr,
		void(*)(struct softirq_action *)	action
	)

Definition at line 28 of file softirq.c.

void raise_softirq

(

unsigned int

nr

)

Definition at line 48 of file softirq.c.

void raise_softirq_irqoff

(

unsigned int

nr

)

Definition at line 43 of file softirq.c.

static void raise_softirq_irqoff_cpu	(	unsigned int	nr,
		unsigned int	cpu
	)			[static]

Definition at line 33 of file softirq.c.

static void tasklet_action

(

struct softirq_action *

a

)

[static]

Definition at line 108 of file softirq.c.

static void tasklet_hi_action

(

struct softirq_action *

a

)

[static]

Definition at line 142 of file softirq.c.

void tasklet_init	(	struct tasklet_struct *	t,
		void(*)(unsigned long)	func,
		unsigned long	data
	)

Initialize tasklet.

Definition at line 60 of file softirq.c.

---

Variable Documentation

ddekit_sem_t* dde_softirq_sem

Definition at line 12 of file softirq.c.

ddekit_thread_t* dde_softirq_thread

Definition at line 11 of file softirq.c.

struct softirq_action softirq_vec[32] [static]

Definition at line 22 of file softirq.c.

struct tasklet_head tasklet_hi_vec

Definition at line 26 of file softirq.c.

struct tasklet_head tasklet_vec

Definition at line 25 of file softirq.c.